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Message-Id: <1384952512-21600-5-git-send-email-miklos@szeredi.hu>
Date: Wed, 20 Nov 2013 14:01:45 +0100
From: Miklos Szeredi <miklos@...redi.hu>
To: viro@...IV.linux.org.uk
Cc: torvalds@...ux-foundation.org, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, hch@...radead.org,
akpm@...ux-foundation.org, dhowells@...hat.com, zab@...hat.com,
jack@...e.cz, luto@...capital.net, mszeredi@...e.cz
Subject: [PATCH 04/11] vfs: add renameat2 syscall
From: Miklos Szeredi <mszeredi@...e.cz>
Add new renameat2 syscall, which is the same as renameat with an added
flags argument.
Pass flags to vfs_rename() and to i_op->rename() as well.
All filesystems check flags and return -EOPNOTSUPP for unsupported flags.
Signed-off-by: Miklos Szeredi <mszeredi@...e.cz>
---
Documentation/filesystems/Locking | 2 +-
Documentation/filesystems/vfs.txt | 4 +++-
arch/x86/syscalls/syscall_64.tbl | 1 +
.../lustre/lustre/include/linux/lustre_compat25.h | 4 ++--
drivers/staging/lustre/lustre/llite/namei.c | 7 +++++-
drivers/staging/lustre/lustre/lvfs/lvfs_linux.c | 2 +-
fs/9p/v9fs.h | 3 ++-
fs/9p/vfs_inode.c | 7 +++++-
fs/affs/affs.h | 3 ++-
fs/affs/namei.c | 6 ++++-
fs/afs/dir.c | 9 ++++++--
fs/bad_inode.c | 3 ++-
fs/bfs/dir.c | 6 ++++-
fs/btrfs/inode.c | 6 ++++-
fs/cachefiles/namei.c | 2 +-
fs/ceph/dir.c | 6 ++++-
fs/cifs/cifsfs.h | 2 +-
fs/cifs/inode.c | 6 ++++-
fs/coda/dir.c | 11 ++++++---
fs/debugfs/inode.c | 2 +-
fs/ecryptfs/inode.c | 8 +++++--
fs/exofs/namei.c | 6 ++++-
fs/ext2/namei.c | 8 +++++--
fs/ext3/namei.c | 8 +++++--
fs/ext4/namei.c | 6 ++++-
fs/f2fs/namei.c | 6 ++++-
fs/fat/namei_msdos.c | 6 ++++-
fs/fat/namei_vfat.c | 6 ++++-
fs/fuse/dir.c | 9 ++++++--
fs/gfs2/inode.c | 6 ++++-
fs/hfs/dir.c | 6 ++++-
fs/hfsplus/dir.c | 6 ++++-
fs/hostfs/hostfs_kern.c | 8 +++++--
fs/hpfs/namei.c | 6 ++++-
fs/jffs2/dir.c | 8 +++++--
fs/jfs/namei.c | 5 ++++-
fs/libfs.c | 6 ++++-
fs/logfs/dir.c | 6 ++++-
fs/minix/namei.c | 8 +++++--
fs/namei.c | 26 ++++++++++++++++------
fs/ncpfs/dir.c | 8 +++++--
fs/nfs/dir.c | 6 ++++-
fs/nfs/internal.h | 3 ++-
fs/nfsd/vfs.c | 2 +-
fs/nilfs2/namei.c | 6 ++++-
fs/ocfs2/namei.c | 6 ++++-
fs/omfs/dir.c | 6 ++++-
fs/reiserfs/namei.c | 6 ++++-
fs/sysv/namei.c | 8 +++++--
fs/ubifs/dir.c | 6 ++++-
fs/udf/namei.c | 6 ++++-
fs/ufs/namei.c | 6 ++++-
fs/xfs/xfs_iops.c | 6 ++++-
include/linux/fs.h | 6 ++---
kernel/cgroup.c | 8 +++++--
mm/shmem.c | 5 ++++-
56 files changed, 263 insertions(+), 77 deletions(-)
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index fe7afe225381..70e800c3d54b 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -46,7 +46,7 @@ prototypes:
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
int (*rename) (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
+ struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
void * (*follow_link) (struct dentry *, struct nameidata *);
void (*put_link) (struct dentry *, struct nameidata *, void *);
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index deb48b5fd883..96ac6ab6357c 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -346,7 +346,7 @@ struct inode_operations {
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
int (*rename) (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
+ struct inode *, struct dentry *, unsigned int);
int (*readlink) (struct dentry *, char __user *,int);
void * (*follow_link) (struct dentry *, struct nameidata *);
void (*put_link) (struct dentry *, struct nameidata *, void *);
@@ -413,6 +413,8 @@ otherwise noted.
rename: called by the rename(2) system call to rename the object to
have the parent and name given by the second inode and dentry.
+ If a flag (passed as the fifth argument) is not supported by
+ the filesystem, the rename method should return -EOPNOTSUPP.
readlink: called by the readlink(2) system call. Only required if
you want to support reading symbolic links
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 38ae65dfd14f..fafd73440655 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -320,6 +320,7 @@
311 64 process_vm_writev sys_process_vm_writev
312 common kcmp sys_kcmp
313 common finit_module sys_finit_module
+314 common renameat2 sys_renameat2
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h b/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
index eefdb8d061b1..81cc7a0134bb 100644
--- a/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
+++ b/drivers/staging/lustre/lustre/include/linux/lustre_compat25.h
@@ -105,8 +105,8 @@ static inline void ll_set_fs_pwd(struct fs_struct *fs, struct vfsmount *mnt,
#define ll_vfs_unlink(inode,entry,mnt) vfs_unlink(inode,entry)
#define ll_vfs_mknod(dir,entry,mnt,mode,dev) vfs_mknod(dir,entry,mode,dev)
#define ll_security_inode_unlink(dir,entry,mnt) security_inode_unlink(dir,entry)
-#define ll_vfs_rename(old,old_dir,mnt,new,new_dir,mnt1,delegated_inode) \
- vfs_rename(old,old_dir,new,new_dir,delegated_inode)
+#define ll_vfs_rename(old, old_dir, mnt, new, new_dir, mnt1) \
+ vfs_rename(old, old_dir, new, new_dir, NULL, 0)
#define cfs_bio_io_error(a,b) bio_io_error((a))
#define cfs_bio_endio(a,b,c) bio_endio((a),(c))
diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index 90bbdae824ac..cd24e469cc9a 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -1215,9 +1215,14 @@ static int ll_link(struct dentry *old_dentry, struct inode *dir,
}
static int ll_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int err;
+
+ if (flags)
+ return -EOPNOTSUPP;
+
err = ll_rename_generic(old_dir, NULL,
old_dentry, &old_dentry->d_name,
new_dir, NULL, new_dentry,
diff --git a/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c b/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c
index 09474e7553dd..1ef06fea793b 100644
--- a/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c
+++ b/drivers/staging/lustre/lustre/lvfs/lvfs_linux.c
@@ -224,7 +224,7 @@ int lustre_rename(struct dentry *dir, struct vfsmount *mnt,
GOTO(put_old, err = PTR_ERR(dchild_new));
err = ll_vfs_rename(dir->d_inode, dchild_old, mnt,
- dir->d_inode, dchild_new, mnt, NULL);
+ dir->d_inode, dchild_new, mnt);
dput(dchild_new);
put_old:
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index a8e127c89627..5d347d10cf55 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -148,7 +148,8 @@ extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry,
extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d);
extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d);
extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
extern void v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd,
void *p);
extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses,
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 4e65aa903345..6a75edabc645 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -945,12 +945,14 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
* @old_dentry: old dentry
* @new_dir: new dir inode
* @new_dentry: new dentry
+ * @flags: rename flags
*
*/
int
v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int retval;
struct inode *old_inode;
@@ -961,6 +963,9 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct p9_fid *newdirfid;
struct p9_wstat wstat;
+ if (flags)
+ return -EOPNOTSUPP;
+
p9_debug(P9_DEBUG_VFS, "\n");
retval = 0;
old_inode = old_dentry->d_inode;
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 3952121f2f28..badf97e81250 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -163,7 +163,8 @@ extern int affs_link(struct dentry *olddentry, struct inode *dir,
extern int affs_symlink(struct inode *dir, struct dentry *dentry,
const char *symname);
extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
/* inode.c */
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index c36cbb4537a2..4f958db92333 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -401,12 +401,16 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
int
affs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct super_block *sb = old_dir->i_sb;
struct buffer_head *bh = NULL;
int retval;
+ if (flags)
+ return -EOPNOTSUPP;
+
pr_debug("AFFS: rename(old=%u,\"%*s\" to new=%u,\"%*s\")\n",
(u32)old_dir->i_ino, (int)old_dentry->d_name.len, old_dentry->d_name.name,
(u32)new_dir->i_ino, (int)new_dentry->d_name.len, new_dentry->d_name.name);
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 529300327f45..ccdd551a0766 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -38,7 +38,8 @@ static int afs_link(struct dentry *from, struct inode *dir,
static int afs_symlink(struct inode *dir, struct dentry *dentry,
const char *content);
static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
const struct file_operations afs_dir_file_operations = {
.open = afs_dir_open,
@@ -1088,12 +1089,16 @@ error:
* rename a file in an AFS filesystem and/or move it between directories
*/
static int afs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct afs_vnode *orig_dvnode, *new_dvnode, *vnode;
struct key *key;
int ret;
+ if (flags)
+ return -EOPNOTSUPP;
+
vnode = AFS_FS_I(old_dentry->d_inode);
orig_dvnode = AFS_FS_I(old_dir);
new_dvnode = AFS_FS_I(new_dir);
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 7c93953030fb..02673d57ceda 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -219,7 +219,8 @@ static int bad_inode_mknod (struct inode *dir, struct dentry *dentry,
}
static int bad_inode_rename (struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
return -EIO;
}
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index a399e6d9dc74..41529673fd42 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -209,7 +209,8 @@ out_brelse:
}
static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode, *new_inode;
struct buffer_head *old_bh, *new_bh;
@@ -217,6 +218,9 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct bfs_sb_info *info;
int error = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_bh = new_bh = NULL;
old_inode = old_dentry->d_inode;
if (S_ISDIR(old_inode->i_mode))
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index da8d2f696ac5..2bfaebdd7e37 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7982,7 +7982,8 @@ static int btrfs_getattr(struct vfsmount *mnt,
}
static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct btrfs_trans_handle *trans;
struct btrfs_root *root = BTRFS_I(old_dir)->root;
@@ -7995,6 +7996,9 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry,
int ret;
u64 old_ino = btrfs_ino(old_inode);
+ if (flags)
+ return -EOPNOTSUPP;
+
if (btrfs_ino(new_dir) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)
return -EPERM;
diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index ca65f39dc8dc..31088a969351 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -396,7 +396,7 @@ try_again:
cachefiles_io_error(cache, "Rename security error %d", ret);
} else {
ret = vfs_rename(dir->d_inode, rep,
- cache->graveyard->d_inode, grave, NULL);
+ cache->graveyard->d_inode, grave, NULL, 0);
if (ret != 0 && ret != -ENOMEM)
cachefiles_io_error(cache,
"Rename failed with error %d", ret);
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 868b61d56cac..fed45dba67ba 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -870,13 +870,17 @@ out:
}
static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(old_dir->i_sb);
struct ceph_mds_client *mdsc = fsc->mdsc;
struct ceph_mds_request *req;
int err;
+ if (flags)
+ return -EOPNOTSUPP;
+
if (ceph_snap(old_dir) != ceph_snap(new_dir))
return -EXDEV;
if (ceph_snap(old_dir) != CEPH_NOSNAP ||
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 26a754f49ba1..b9e81af57e46 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -61,7 +61,7 @@ extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
extern int cifs_mkdir(struct inode *, struct dentry *, umode_t);
extern int cifs_rmdir(struct inode *, struct dentry *);
extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
- struct dentry *);
+ struct dentry *, unsigned int);
extern int cifs_revalidate_file_attr(struct file *filp);
extern int cifs_revalidate_dentry_attr(struct dentry *);
extern int cifs_revalidate_file(struct file *filp);
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 36f9ebb93ceb..6b061f082315 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1593,7 +1593,8 @@ do_rename_exit:
int
cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
- struct inode *target_dir, struct dentry *target_dentry)
+ struct inode *target_dir, struct dentry *target_dentry,
+ unsigned int flags)
{
char *from_name = NULL;
char *to_name = NULL;
@@ -1605,6 +1606,9 @@ cifs_rename(struct inode *source_dir, struct dentry *source_dentry,
unsigned int xid;
int rc, tmprc;
+ if (flags)
+ return -EOPNOTSUPP;
+
cifs_sb = CIFS_SB(source_dir->i_sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 5efbb5ee0adc..f94838543f2d 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -39,8 +39,9 @@ static int coda_symlink(struct inode *dir_inode, struct dentry *entry,
const char *symname);
static int coda_mkdir(struct inode *dir_inode, struct dentry *entry, umode_t mode);
static int coda_rmdir(struct inode *dir_inode, struct dentry *entry);
-static int coda_rename(struct inode *old_inode, struct dentry *old_dentry,
- struct inode *new_inode, struct dentry *new_dentry);
+static int coda_rename(struct inode *old_inode, struct dentry *old_dentry,
+ struct inode *new_inode, struct dentry *new_dentry,
+ unsigned int flags);
/* dir file-ops */
static int coda_readdir(struct file *file, struct dir_context *ctx);
@@ -347,7 +348,8 @@ static int coda_rmdir(struct inode *dir, struct dentry *de)
/* rename */
static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
const char *old_name = old_dentry->d_name.name;
const char *new_name = new_dentry->d_name.name;
@@ -355,6 +357,9 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry,
int new_length = new_dentry->d_name.len;
int error;
+ if (flags)
+ return -EOPNOTSUPP;
+
error = venus_rename(old_dir->i_sb, coda_i2f(old_dir),
coda_i2f(new_dir), old_length, new_length,
(const char *) old_name, (const char *)new_name);
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 9c0444cccbe1..70fc09be0ffd 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -618,7 +618,7 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
old_name = fsnotify_oldname_init(old_dentry->d_name.name);
error = simple_rename(old_dir->d_inode, old_dentry, new_dir->d_inode,
- dentry);
+ dentry, 0);
if (error) {
fsnotify_oldname_free(old_name);
goto exit;
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index c36c44824471..0ce5a6b2ea9d 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -611,7 +611,8 @@ out:
static int
ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int rc;
struct dentry *lower_old_dentry;
@@ -621,6 +622,9 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct dentry *trap = NULL;
struct inode *target_inode;
+ if (flags)
+ return -EOPNOTSUPP;
+
lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
dget(lower_old_dentry);
@@ -641,7 +645,7 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry,
}
rc = vfs_rename(lower_old_dir_dentry->d_inode, lower_old_dentry,
lower_new_dir_dentry->d_inode, lower_new_dentry,
- NULL);
+ NULL, 0);
if (rc)
goto out_lock;
if (target_inode)
diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c
index 4731fd991efe..54db7e2192ca 100644
--- a/fs/exofs/namei.c
+++ b/fs/exofs/namei.c
@@ -228,7 +228,8 @@ static int exofs_rmdir(struct inode *dir, struct dentry *dentry)
}
static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
@@ -238,6 +239,9 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct exofs_dir_entry *old_de;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_de = exofs_find_entry(old_dir, old_dentry, &old_page);
if (!old_de)
goto out;
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index 256dd5f4c1c4..d7da1dad9149 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -320,8 +320,9 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry)
return err;
}
-static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry )
+static int ext2_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode * old_inode = old_dentry->d_inode;
struct inode * new_inode = new_dentry->d_inode;
@@ -331,6 +332,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
struct ext2_dir_entry_2 * old_de;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
dquot_initialize(old_dir);
dquot_initialize(new_dir);
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index f8cde46de9cd..08ca534c2de4 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2375,8 +2375,9 @@ retry:
* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
- struct inode * new_dir,struct dentry *new_dentry)
+static int ext3_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
handle_t *handle;
struct inode * old_inode, * new_inode;
@@ -2384,6 +2385,9 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
struct ext3_dir_entry_2 * old_de, * new_de;
int retval, flush_file = 0;
+ if (flags)
+ return -EOPNOTSUPP;
+
dquot_initialize(old_dir);
dquot_initialize(new_dir);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 5a0408d7b114..08c40f4e7eed 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3010,7 +3010,8 @@ static struct buffer_head *ext4_get_first_dir_block(handle_t *handle,
* This comes from rename(const char *oldpath, const char *newpath)
*/
static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
handle_t *handle = NULL;
struct inode *old_inode, *new_inode;
@@ -3020,6 +3021,9 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
int inlined = 0, new_inlined = 0;
struct ext4_dir_entry_2 *parent_de;
+ if (flags)
+ return -EOPNOTSUPP;
+
dquot_initialize(old_dir);
dquot_initialize(new_dir);
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 575adac17f8b..13913085927c 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -374,7 +374,8 @@ out:
}
static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct super_block *sb = old_dir->i_sb;
struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -387,6 +388,9 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct f2fs_dir_entry *new_entry;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
f2fs_balance_fs(sbi);
old_entry = f2fs_find_entry(old_dir, &old_dentry->d_name, &old_page);
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index a783b0e1272a..73db3d039ba7 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -598,12 +598,16 @@ error_inode:
/***** Rename, a wrapper for rename_same_dir & rename_diff_dir */
static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct super_block *sb = old_dir->i_sb;
unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME];
int err, is_hid;
+ if (flags)
+ return -EOPNOTSUPP;
+
mutex_lock(&MSDOS_SB(sb)->s_lock);
err = msdos_format_name(old_dentry->d_name.name,
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index 6df8d3d885e5..ef0fd0703c33 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -903,7 +903,8 @@ out:
}
static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct buffer_head *dotdot_bh;
struct msdos_dir_entry *dotdot_de;
@@ -914,6 +915,9 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry,
int err, is_dir, update_dotdot, corrupt = 0;
struct super_block *sb = old_dir->i_sb;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_sinfo.bh = sinfo.bh = dotdot_bh = NULL;
old_inode = old_dentry->d_inode;
new_inode = new_dentry->d_inode;
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index c3eb2c46c8f1..ffe2f46aa53e 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -734,13 +734,18 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
}
static int fuse_rename(struct inode *olddir, struct dentry *oldent,
- struct inode *newdir, struct dentry *newent)
+ struct inode *newdir, struct dentry *newent,
+ unsigned int flags)
{
int err;
struct fuse_rename_in inarg;
struct fuse_conn *fc = get_fuse_conn(olddir);
- struct fuse_req *req = fuse_get_req_nopages(fc);
+ struct fuse_req *req;
+ if (flags)
+ return -EOPNOTSUPP;
+
+ req = fuse_get_req_nopages(fc);
if (IS_ERR(req))
return PTR_ERR(req);
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 1615df16cf4e..aa76f914e6b6 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1240,7 +1240,8 @@ static int gfs2_ok_to_move(struct gfs2_inode *this, struct gfs2_inode *to)
*/
static int gfs2_rename(struct inode *odir, struct dentry *odentry,
- struct inode *ndir, struct dentry *ndentry)
+ struct inode *ndir, struct dentry *ndentry,
+ unsigned int flags)
{
struct gfs2_inode *odip = GFS2_I(odir);
struct gfs2_inode *ndip = GFS2_I(ndir);
@@ -1255,6 +1256,9 @@ static int gfs2_rename(struct inode *odir, struct dentry *odentry,
unsigned int x;
int error;
+ if (flags)
+ return -EOPNOTSUPP;
+
if (ndentry->d_inode) {
nip = GFS2_I(ndentry->d_inode);
if (ip == nip)
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 145566851e7a..540e8bcd331e 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -280,10 +280,14 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry)
* XXX: how do you handle must_be dir?
*/
static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int res;
+ if (flags)
+ return -EOPNOTSUPP;
+
/* Unlink destination if it already exists */
if (new_dentry->d_inode) {
res = hfs_remove(new_dir, new_dentry);
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 4a4fea002673..802dce49af35 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -494,10 +494,14 @@ static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int res;
+ if (flags)
+ return -EOPNOTSUPP;
+
/* Unlink destination if it already exists */
if (new_dentry->d_inode) {
if (S_ISDIR(new_dentry->d_inode->i_mode))
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 25437280a207..957a0bd34b51 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -747,12 +747,16 @@ static int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
return err;
}
-int hostfs_rename(struct inode *from_ino, struct dentry *from,
- struct inode *to_ino, struct dentry *to)
+static int hostfs_rename(struct inode *from_ino, struct dentry *from,
+ struct inode *to_ino, struct dentry *to,
+ unsigned int flags)
{
char *from_name, *to_name;
int err;
+ if (flags)
+ return -EOPNOTSUPP;
+
if ((from_name = dentry_name(from)) == NULL)
return -ENOMEM;
if ((to_name = dentry_name(to)) == NULL) {
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 1b39afdd86fd..1bec8e2b4c74 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -516,7 +516,8 @@ const struct address_space_operations hpfs_symlink_aops = {
};
static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
const unsigned char *old_name = old_dentry->d_name.name;
unsigned old_len = old_dentry->d_name.len;
@@ -533,6 +534,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct fnode *fnode;
int err;
+ if (flags)
+ return -EOPNOTSUPP;
+
if ((err = hpfs_chk_name(new_name, &new_len))) return err;
err = 0;
hpfs_adjust_length(old_name, &old_len);
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index e3aac222472e..a23da79c1ed0 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -35,7 +35,7 @@ static int jffs2_mkdir (struct inode *,struct dentry *,umode_t);
static int jffs2_rmdir (struct inode *,struct dentry *);
static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t);
static int jffs2_rename (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
+ struct inode *, struct dentry *, unsigned int);
const struct file_operations jffs2_dir_operations =
{
@@ -756,7 +756,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode
}
static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
- struct inode *new_dir_i, struct dentry *new_dentry)
+ struct inode *new_dir_i, struct dentry *new_dentry,
+ unsigned int flags)
{
int ret;
struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb);
@@ -764,6 +765,9 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry,
uint8_t type;
uint32_t now;
+ if (flags)
+ return -EOPNOTSUPP;
+
/* The VFS will check for us and prevent trying to rename a
* file over a directory and vice versa, but if it's a directory,
* the VFS can't check whether the victim is empty. The filesystem
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index aa8a3370631b..06841bcaad79 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1062,7 +1062,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
* FUNCTION: rename a file or directory
*/
static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct btstack btstack;
ino_t ino;
@@ -1081,6 +1082,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
s64 new_size = 0;
int commit_flag;
+ if (flags)
+ return -EOPNOTSUPP;
jfs_info("jfs_rename: %s %s", old_dentry->d_name.name,
new_dentry->d_name.name);
diff --git a/fs/libfs.c b/fs/libfs.c
index 5de06947ba5e..76016c6db205 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -323,11 +323,15 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry)
EXPORT_SYMBOL(simple_rmdir);
int simple_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *inode = old_dentry->d_inode;
int they_are_dirs = S_ISDIR(old_dentry->d_inode->i_mode);
+ if (flags)
+ return -EOPNOTSUPP;
+
if (!simple_empty(new_dentry))
return -ENOTEMPTY;
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 6bdc347008f5..43b32e7004ee 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -717,8 +717,12 @@ out:
}
static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
+ if (flags)
+ return -EOPNOTSUPP;
+
if (new_dentry->d_inode)
return logfs_rename_target(old_dir, old_dentry,
new_dir, new_dentry);
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index cd950e2331b6..19eb25202c0e 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -184,8 +184,9 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry)
return err;
}
-static int minix_rename(struct inode * old_dir, struct dentry *old_dentry,
- struct inode * new_dir, struct dentry *new_dentry)
+static int minix_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode * old_inode = old_dentry->d_inode;
struct inode * new_inode = new_dentry->d_inode;
@@ -195,6 +196,9 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry,
struct minix_dir_entry * old_de;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_de = minix_find_entry(old_dentry, &old_page);
if (!old_de)
goto out;
diff --git a/fs/namei.c b/fs/namei.c
index 7048339ad1b7..9efeb16f685c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3974,6 +3974,7 @@ SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname
* @new_dir: parent of destination
* @new_dentry: destination
* @delegated_inode: returns an inode needing a delegation break
+ * @flags: rename flags
*
* The caller must hold multiple mutexes--see lock_rename()).
*
@@ -4017,7 +4018,7 @@ SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname
*/
int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct inode *new_dir, struct dentry *new_dentry,
- struct inode **delegated_inode)
+ struct inode **delegated_inode, unsigned int flags)
{
int error;
bool is_dir = d_is_dir(old_dentry);
@@ -4087,7 +4088,8 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
goto out;
}
}
- error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
+ error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry,
+ flags);
if (error)
goto out;
@@ -4112,8 +4114,8 @@ out:
return error;
}
-SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
- int, newdfd, const char __user *, newname)
+SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname, unsigned int, flags)
{
struct dentry *old_dir, *new_dir;
struct dentry *old_dentry, *new_dentry;
@@ -4125,6 +4127,10 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
unsigned int lookup_flags = 0;
bool should_retry = false;
int error;
+
+ if (flags)
+ return -EOPNOTSUPP;
+
retry:
from = user_path_parent(olddfd, oldname, &oldnd, lookup_flags);
if (IS_ERR(from)) {
@@ -4196,8 +4202,8 @@ retry_deleg:
if (error)
goto exit5;
error = vfs_rename(old_dir->d_inode, old_dentry,
- new_dir->d_inode, new_dentry,
- &delegated_inode);
+ new_dir->d_inode, new_dentry,
+ &delegated_inode, flags);
exit5:
dput(new_dentry);
exit4:
@@ -4227,9 +4233,15 @@ exit:
return error;
}
+SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname)
+{
+ return sys_renameat2(olddfd, oldname, newdfd, newname, 0);
+}
+
SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newname)
{
- return sys_renameat(AT_FDCWD, oldname, AT_FDCWD, newname);
+ return sys_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link)
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index c320ac52353e..d4bf4f42d156 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -36,7 +36,7 @@ static int ncp_unlink(struct inode *, struct dentry *);
static int ncp_mkdir(struct inode *, struct dentry *, umode_t);
static int ncp_rmdir(struct inode *, struct dentry *);
static int ncp_rename(struct inode *, struct dentry *,
- struct inode *, struct dentry *);
+ struct inode *, struct dentry *, unsigned int);
static int ncp_mknod(struct inode * dir, struct dentry *dentry,
umode_t mode, dev_t rdev);
#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS)
@@ -1113,13 +1113,17 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry)
}
static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct ncp_server *server = NCP_SERVER(old_dir);
int error;
int old_len, new_len;
__u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1];
+ if (flags)
+ return -EOPNOTSUPP;
+
DPRINTK("ncp_rename: %pd2 to %pd2\n", old_dentry, new_dentry);
ncp_age_dentry(server, old_dentry);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 812154aff981..09881925d0e6 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1892,13 +1892,17 @@ EXPORT_SYMBOL_GPL(nfs_link);
* the rename.
*/
int nfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
struct dentry *dentry = NULL, *rehash = NULL;
int error = -EBUSY;
+ if (flags)
+ return -EOPNOTSUPP;
+
dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n",
old_dentry, new_dentry,
d_count(new_dentry));
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index bca6a3e3c49c..1ec08f9db3d5 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -288,7 +288,8 @@ int nfs_unlink(struct inode *, struct dentry *);
int nfs_symlink(struct inode *, struct dentry *, const char *);
int nfs_link(struct dentry *, struct inode *, struct dentry *);
int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
-int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *,
+ unsigned int);
/* file.c */
int nfs_file_fsync_commit(struct file *, loff_t, loff_t, int);
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 94b5f5d2bfed..416103593c9b 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1841,7 +1841,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
if (host_err)
goto out_dput_new;
}
- host_err = vfs_rename(fdir, odentry, tdir, ndentry, NULL);
+ host_err = vfs_rename(fdir, odentry, tdir, ndentry, NULL, 0);
if (!host_err) {
host_err = commit_metadata(tfhp);
if (!host_err)
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 9de78f08989e..6f49b9bcefc4 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -347,7 +347,8 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry)
}
static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
@@ -358,6 +359,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct nilfs_transaction_info ti;
int err;
+ if (flags)
+ return -EOPNOTSUPP;
+
err = nilfs_transaction_begin(old_dir->i_sb, &ti, 1);
if (unlikely(err))
return err;
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 4f791f6d27d0..d117184c1eea 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -1038,7 +1038,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2)
static int ocfs2_rename(struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
- struct dentry *new_dentry)
+ struct dentry *new_dentry,
+ unsigned int flags)
{
int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0;
int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0;
@@ -1062,6 +1063,9 @@ static int ocfs2_rename(struct inode *old_dir,
struct ocfs2_dir_lookup_result orphan_insert = { NULL, };
struct ocfs2_dir_lookup_result target_insert = { NULL, };
+ if (flags)
+ return -EOPNOTSUPP;
+
/* At some point it might be nice to break this function up a
* bit. */
diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c
index 1b8e9e8405b2..15e821af0c80 100644
--- a/fs/omfs/dir.c
+++ b/fs/omfs/dir.c
@@ -371,12 +371,16 @@ static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx,
}
static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *new_inode = new_dentry->d_inode;
struct inode *old_inode = old_dentry->d_inode;
int err;
+ if (flags)
+ return -EOPNOTSUPP;
+
if (new_inode) {
/* overwriting existing file/dir */
err = omfs_remove(new_dir, new_dentry);
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index dc5236f6de1b..e6d6a9cbb171 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -1202,7 +1202,8 @@ static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de,
* get_empty_nodes or its clones
*/
static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int retval;
INITIALIZE_PATH(old_entry_path);
@@ -1217,6 +1218,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
unsigned long savelink = 1;
struct timespec ctime;
+ if (flags)
+ return -EOPNOTSUPP;
+
/* three balancings: (1) old name removal, (2) new name insertion
and (3) maybe "save" link insertion
stat data updates: (1) old directory,
diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c
index 731b2bbcaab3..b8811197c529 100644
--- a/fs/sysv/namei.c
+++ b/fs/sysv/namei.c
@@ -205,8 +205,9 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry)
* Anybody can rename anything with this: the permission checks are left to the
* higher-level routines.
*/
-static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry,
- struct inode * new_dir, struct dentry * new_dentry)
+static int sysv_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode * old_inode = old_dentry->d_inode;
struct inode * new_inode = new_dentry->d_inode;
@@ -216,6 +217,9 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry,
struct sysv_dir_entry * old_de;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_de = sysv_find_entry(old_dentry, &old_page);
if (!old_de)
goto out;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ea41649e4ca5..49d815460bb9 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -950,7 +950,8 @@ static void unlock_3_inodes(struct inode *inode1, struct inode *inode2,
}
static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct ubifs_info *c = old_dir->i_sb->s_fs_info;
struct inode *old_inode = old_dentry->d_inode;
@@ -968,6 +969,9 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct timespec time;
unsigned int uninitialized_var(saved_nlink);
+ if (flags)
+ return -EOPNOTSUPP;
+
/*
* Budget request settings: deletion direntry, new direntry, removing
* the old inode, and changing old and new parent directory inodes.
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 5f6fc17d6bc5..fd33cc096fda 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1079,7 +1079,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
* higher-level routines.
*/
static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
@@ -1091,6 +1092,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
struct kernel_lb_addr tloc;
struct udf_inode_info *old_iinfo = UDF_I(old_inode);
+ if (flags)
+ return -EOPNOTSUPP;
+
ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
if (ofi) {
if (ofibh.sbh != ofibh.ebh)
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 90d74b8f8eba..73ce50ee9e85 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -259,7 +259,8 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry)
}
static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
struct inode *old_inode = old_dentry->d_inode;
struct inode *new_inode = new_dentry->d_inode;
@@ -269,6 +270,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct ufs_dir_entry *old_de;
int err = -ENOENT;
+ if (flags)
+ return -EOPNOTSUPP;
+
old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page);
if (!old_de)
goto out;
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 27e0e544e963..cdc141f8cc30 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -346,12 +346,16 @@ xfs_vn_rename(
struct inode *odir,
struct dentry *odentry,
struct inode *ndir,
- struct dentry *ndentry)
+ struct dentry *ndentry,
+ unsigned int flags)
{
struct inode *new_inode = ndentry->d_inode;
struct xfs_name oname;
struct xfs_name nname;
+ if (flags)
+ return -EOPNOTSUPP;
+
xfs_dentry_to_name(&oname, odentry, 0);
xfs_dentry_to_name(&nname, ndentry, odentry->d_inode->i_mode);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index bf5d574ebdf4..a62dbe15d2b1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1456,7 +1456,7 @@ extern int vfs_symlink(struct inode *, struct dentry *, const char *);
extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct inode **);
extern int vfs_rmdir(struct inode *, struct dentry *);
extern int vfs_unlink(struct inode *, struct dentry *, struct inode **);
-extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inode **);
+extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inode **, unsigned int);
/*
* VFS dentry helper functions.
@@ -1566,7 +1566,7 @@ struct inode_operations {
int (*rmdir) (struct inode *,struct dentry *);
int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t);
int (*rename) (struct inode *, struct dentry *,
- struct inode *, struct dentry *);
+ struct inode *, struct dentry *, unsigned int);
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
@@ -2612,7 +2612,7 @@ extern int simple_open(struct inode *inode, struct file *file);
extern int simple_link(struct dentry *, struct inode *, struct dentry *);
extern int simple_unlink(struct inode *, struct dentry *);
extern int simple_rmdir(struct inode *, struct dentry *);
-extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
+extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int);
extern int noop_fsync(struct file *, loff_t, loff_t, int);
extern int simple_empty(struct dentry *);
extern int simple_readpage(struct file *file, struct page *page);
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e0839bcd48c8..3385a09d1b58 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2494,12 +2494,16 @@ static int cgroup_file_release(struct inode *inode, struct file *file)
* cgroup_rename - Only allow simple rename of directories in place.
*/
static int cgroup_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry)
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
{
int ret;
struct cgroup_name *name, *old_name;
struct cgroup *cgrp;
+ if (flags)
+ return -EOPNOTSUPP;
+
/*
* It's convinient to use parent dir's i_mutex to protected
* cgrp->name.
@@ -2526,7 +2530,7 @@ static int cgroup_rename(struct inode *old_dir, struct dentry *old_dentry,
if (!name)
return -ENOMEM;
- ret = simple_rename(old_dir, old_dentry, new_dir, new_dentry);
+ ret = simple_rename(old_dir, old_dentry, new_dir, new_dentry, 0);
if (ret) {
kfree(name);
return ret;
diff --git a/mm/shmem.c b/mm/shmem.c
index 8297623fcaed..d7c3e32945f9 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2067,11 +2067,14 @@ static int shmem_rmdir(struct inode *dir, struct dentry *dentry)
* it exists so that the VFS layer correctly free's it when it
* gets overwritten.
*/
-static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry)
+static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry, unsigned int flags)
{
struct inode *inode = old_dentry->d_inode;
int they_are_dirs = S_ISDIR(inode->i_mode);
+ if (flags)
+ return -EOPNOTSUPP;
+
if (!simple_empty(new_dentry))
return -ENOTEMPTY;
--
1.8.1.4
--
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